[  596.862018] gre: GRE over IPv4 demultiplexer driver
[  596.866217] ip6_gre: GRE over IPv6 tunneling driver
[  596.879353] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.892425] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.439182] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.447958] ip6_tunnel: g2 xmit: Local address not yet configured!